linux-kernel - Re: [PATCH v4 11/13] net/route: use get_random

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Message-ID: <20170608030154.mwniddfm6hke773t@thunk.org>
Date:   Wed, 7 Jun 2017 23:01:54 -0400
From:   Theodore Ts'o <tytso@....edu>
To:     "Jason A. Donenfeld" <Jason@...c4.com>
Cc:     Linux Crypto Mailing List <linux-crypto@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        kernel-hardening@...ts.openwall.com,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        David Miller <davem@...emloft.net>,
        Eric Biggers <ebiggers3@...il.com>
Subject: Re: [PATCH v4 11/13] net/route: use get_random_int for random counter

On Tue, Jun 06, 2017 at 07:48:02PM +0200, Jason A. Donenfeld wrote:
> Using get_random_int here is faster, more fitting of the use case, and
> just as cryptographically secure. It also has the benefit of providing
> better randomness at early boot, which is when many of these structures
> are assigned.
> 
> Also, semantically, it's not really proper to have been assigning an
> atomic_t in this way before, even if in practice it works fine.
> 
> Signed-off-by: Jason A. Donenfeld <Jason@...c4.com>
> Cc: David Miller <davem@...emloft.net>

Applied to the dev branch of the random.git branch, thanks.

	       	   	     	 	    - Ted